Sandra Oh

Sandra Oh (born July 20, 1971) is a Golden Globe and Genie Award winning Canadian actress. She is primarily known for her role as Dr. Cristina Yang in the ABC series Grey's Anatomy. She also played notable roles in the feature films Under the Tuscan Sun and Sideways.

She provides the voice of Katie and Hiko Yoshida.

Roger sets out to create a drink bearing her name while preparing to watch Grey's Anatomy with Klaus in "An Apocalypse to Remember". Klaus notes that he'd like to breathe her bathwater.